legislation_cosponsors: 110-hr-4987, H001029

Cosponsors for tracked legislation. Distinguishes original cosponsors (signed on at introduction) from later additions. Linked to congress_members via bioguide_id.

This data as json

bill_id	bioguide_id	full_name	party	state	sponsorship_date	is_original_cosponsor
110-hr-4987	H001029	Rep. Hayes, Robin [R-NC-8]	R	NC	2008-02-12	0